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graceful-restart grace-period
Specifies the time duration, in seconds, that the router’s neighbors continue to advertise the router as fully adjacent regardless
of the synchronization state during a graceful restart.
Syntax
graceful-restart grace-period seconds
To disable the grace period, use the no graceful-restart grace-period command.
Parameters
seconds Time duration, in seconds, that specifies the duration of the restart process before
OSPF terminates the process. The range is from 40 to 1800 seconds.
Defaults Not Configured
Command Modes ROUTER OSPF
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
graceful-restart helper-reject
Specify the OSPF router to not act as a helper during graceful restart.
Syntax
graceful-restart helper-reject ip-address
To return to default value, use the no graceful-restart helper-reject command.
Parameters
ip-address Enter the OSPF router-id, in IP address format, of the restart router that will not
act as a helper during graceful restart.
Defaults Not configured.
Command Modes ROUTER OSPF
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
graceful-restart mode
Enable the graceful restart mode.
Syntax
graceful-restart mode [planned-only | unplanned-only]
To disable graceful restart mode, use the no graceful-restart mode command.
Parameters
planned-only (OPTIONAL) Enter the keywords planned-only to indicate graceful restart is
supported in a planned restart condition only.
unplanned-only (OPTIONAL) Enter the keywords unplanned-only to indicate graceful restart is
supported in an unplanned restart condition only.
Defaults Support for both planned and unplanned failures.
Open Shortest Path First (OSPFv2 and OSPFv3) 823